/*
* Copyright 2012-15 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#include "reg_helper.h"
#include <linux/delay.h>
#include "core_types.h"
#include "link_encoder.h"
#include "dcn21_link_encoder.h"
#include "stream_encoder.h"
#include "i2caux_interface.h"
#include "dc_bios_types.h"
#include "gpio_service_interface.h"
#define CTX \
enc10->base.ctx
#define DC_LOGGER \
enc10->base.ctx->logger
#define REG(reg)\
(enc10->link_regs->reg)
#undef FN
#define FN(reg_name, field_name) \
enc10->link_shift->field_name, enc10->link_mask->field_name
#define IND_REG(index) \
(enc10->link_regs->index)
static struct mpll_cfg dcn21_mpll_cfg_ref[] = {
// RBR
{
.hdmimode_enable = 0,
.ref_range = 1,
.ref_clk_mpllb_div = 1,
.mpllb_ssc_en = 1,
.mpllb_div5_clk_en = 1,
.mpllb_multiplier = 238,
.mpllb_fracn_en = 0,
.mpllb_fracn_quot = 0,
.mpllb_fracn_rem = 0,
.mpllb_fracn_den = 1,
.mpllb_ssc_up_spread = 0,
.mpllb_ssc_peak = 44237,
.mpllb_ssc_stepsize = 59454,
.mpllb_div_clk_en = 0,
.mpllb_div_multiplier = 0,
.mpllb_hdmi_div = 0,
.mpllb_tx_clk_div = 2,
.tx_vboost_lvl = 5,
.mpllb_pmix_en = 1,
.mpllb_word_div2_en = 0,
.mpllb_ana_v2i = 2,
.mpllb_ana_freq_vco = 2,
.mpllb_ana_cp_int = 9,
.mpllb_ana_cp_prop = 15,
.hdmi_pixel_clk_div = 0,
},
// HBR
{
.hdmimode_enable = 0,
.ref_range = 1,
.ref_clk_mpllb_div = 1,
.mpllb_ssc_en = 1,
.mpllb_div5_clk_en = 1,
.mpllb_multiplier = 192,
.mpllb_fracn_en = 1,
.mpllb_fracn_quot = 32768,
.mpllb_fracn_rem = 0,
.mpllb_fracn_den = 1,
.mpllb_ssc_up_spread = 0,
.mpllb_ssc_peak = 36864,
.mpllb_ssc_stepsize = 49545,
.mpllb_div_clk_en = 0,
.mpllb_div_multiplier = 0,
.mpllb_hdmi_div = 0,
.mpllb_tx_clk_div = 1,
.tx_vboost_lvl = 5,
.mpllb_pmix_en = 1,
.mpllb_word_div2_en = 0,
.mpllb_ana_v2i = 2,
.mpllb_ana_freq_vco = 3,
.mpllb_ana_cp_int = 9,
.mpllb_ana_cp_prop = 15,
.hdmi_pixel_clk_div = 0,
},
//HBR2
{
.hdmimode_enable = 0,
.ref_range = 1,
.ref_clk_mpllb_div = 1,
.mpllb_ssc_en = 1,
.mpllb_div5_clk_en = 1,
.mpllb_multiplier = 192,
.mpllb_fracn_en = 1,
.mpllb_fracn_quot = 32768,
.mpllb_fracn_rem = 0,
.mpllb_fracn_den = 1,
.mpllb_ssc_up_spread = 0,
.mpllb_ssc_peak = 36864,
.mpllb_ssc_stepsize = 49545,
.mpllb_div_clk_en = 0,
.mpllb_div_multiplier = 0,
.mpllb_hdmi_div = 0,
.mpllb_tx_clk_div = 0,
.tx_vboost_lvl = 5,
.mpllb_pmix_en = 1,
.mpllb_word_div2_en = 0,
.mpllb_ana_v2i = 2,
.mpllb_ana_freq_vco = 3,
.mpllb_ana_cp_int = 9,
.mpllb_ana_cp_prop = 15,
.hdmi_pixel_clk_div = 0,
},
//HBR3
{
.hdmimode_enable = 0,
.ref_range = 1,
.ref_clk_mpllb_div = 1,
.mpllb_ssc_en = 1,
.mpllb_div5_clk_en = 1,
.mpllb_multiplier = 304,
.mpllb_fracn_en = 1,
.mpllb_fracn_quot = 49152,
.mpllb_fracn_rem = 0,
.mpllb_fracn_den = 1,
.mpllb_ssc_up_spread = 0,
.mpllb_ssc_peak = 55296,
.mpllb_ssc_stepsize = 74318,
.mpllb_div_clk_en = 0,
.mpllb_div_multiplier = 0,
.mpllb_hdmi_div = 0,
.mpllb_tx_clk_div = 0,
.tx_vboost_lvl = 5,
.mpllb_pmix_en = 1,
.mpllb_word_div2_en = 0,
.mpllb_ana_v2i = 2,
.mpllb_ana_freq_vco = 1,
.mpllb_ana_cp_int = 7,
.mpllb_ana_cp_prop = 16,
.hdmi_pixel_clk_div = 0,
},
};
static bool update_cfg_data(
struct dcn10_link_encoder *enc10,
const struct dc_link_settings *link_settings,
struct dpcssys_phy_seq_cfg *cfg)
{
int i;
cfg->load_sram_fw = false;
cfg->use_calibration_setting = true;
//TODO: need to implement a proper lane mapping for Renoir.
for (i = 0; i < 4; i++)
cfg->lane_en[i] = true;
switch (link_settings->link_rate) {
case LINK_RATE_LOW:
cfg->mpll_cfg = dcn21_mpll_cfg_ref[0];
break;
case LINK_RATE_HIGH:
cfg->mpll_cfg = dcn21_mpll_cfg_ref[1];
break;
case LINK_RATE_HIGH2:
cfg->mpll_cfg = dcn21_mpll_cfg_ref[2];
break;
case LINK_RATE_HIGH3:
cfg->mpll_cfg = dcn21_mpll_cfg_ref[3];
break;
default:
DC_LOG_ERROR("%s: No supported link rate found %X!\n",
__func__, link_settings->link_rate);
return false;
}
return true;
}
bool dcn21_link_encoder_acquire_phy(struct link_encoder *enc)
{
struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
int value;
if (enc->features.flags.bits.DP_IS_USB_C) {
REG_GET(RDPCSTX_PHY_CNTL6,
RDPCS_PHY_DPALT_DISABLE, &value);
if (value == 1) {
ASSERT(0);
return false;
}
REG_UPDATE(RDPCSTX_PHY_CNTL6,
RDPCS_PHY_DPALT_DISABLE_ACK, 0);
udelay(40);
REG_GET(RDPCSTX_PHY_CNTL6,
RDPCS_PHY_DPALT_DISABLE, &value);
if (value == 1) {
ASSERT(0);
REG_UPDATE(RDPCSTX_PHY_CNTL6,
RDPCS_PHY_DPALT_DISABLE_ACK, 1);
return false;
}
}
REG_UPDATE(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DP_REF_CLK_EN, 1);
return true;
}
static void dcn21_link_encoder_release_phy(struct link_encoder *enc)
{
struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
if (enc->features.flags.bits.DP_IS_USB_C) {
REG_UPDATE(RDPCSTX_PHY_CNTL6,
RDPCS_PHY_DPALT_DISABLE_ACK, 1);
}
REG_UPDATE(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DP_REF_CLK_EN, 0);
}
void dcn21_link_encoder_enable_dp_output(
struct link_encoder *enc,
const struct dc_link_settings *link_settings,
enum clock_source_id clock_source)
{
struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
struct dcn21_link_encoder *enc21 = (struct dcn21_link_encoder *) enc10;
struct dpcssys_phy_seq_cfg *cfg = &enc21->phy_seq_cfg;
if (!dcn21_link_encoder_acquire_phy(enc))
return;
if (!enc->ctx->dc->debug.avoid_vbios_exec_table) {
dcn10_link_encoder_enable_dp_output(enc, link_settings, clock_source);
return;
}
if (!update_cfg_data(enc10, link_settings, cfg))
return;
enc1_configure_encoder(enc10, link_settings);
dcn10_link_encoder_setup(enc, SIGNAL_TYPE_DISPLAY_PORT);
}
void dcn21_link_encoder_enable_dp_mst_output(
struct link_encoder *enc,
const struct dc_link_settings *link_settings,
enum clock_source_id clock_source)
{
if (!dcn21_link_encoder_acquire_phy(enc))
return;
dcn10_link_encoder_enable_dp_mst_output(enc, link_settings, clock_source);
}
void dcn21_link_encoder_disable_output(
struct link_encoder *enc,
enum signal_type signal)
{
dcn10_link_encoder_disable_output(enc, signal);
if (dc_is_dp_signal(signal))
dcn21_link_encoder_release_phy(enc);
}
static const struct link_encoder_funcs dcn21_link_enc_funcs = {
.read_state = link_enc2_read_state,
.validate_output_with_stream =
dcn10_link_encoder_validate_output_with_stream,
.hw_init = enc2_hw_init,
.setup = dcn10_link_encoder_setup,
.enable_tmds_output = dcn10_link_encoder_enable_tmds_output,
.enable_dp_output = dcn21_link_encoder_enable_dp_output,
.enable_dp_mst_output = dcn21_link_encoder_enable_dp_mst_output,
.disable_output = dcn21_link_encoder_disable_output,
.dp_set_lane_settings = dcn10_link_encoder_dp_set_lane_settings,
.dp_set_phy_pattern = dcn10_link_encoder_dp_set_phy_pattern,
.update_mst_stream_allocation_table =
dcn10_link_encoder_update_mst_stream_allocation_table,
.psr_program_dp_dphy_fast_training =
dcn10_psr_program_dp_dphy_fast_training,
.psr_program_secondary_packet = dcn10_psr_program_secondary_packet,
.connect_dig_be_to_fe = dcn10_link_encoder_connect_dig_be_to_fe,
.enable_hpd = dcn10_link_encoder_enable_hpd,
.disable_hpd = dcn10_link_encoder_disable_hpd,
.is_dig_enabled = dcn10_is_dig_enabled,
.destroy = dcn10_link_encoder_destroy,
.fec_set_enable = enc2_fec_set_enable,
.fec_set_ready = enc2_fec_set_ready,
.fec_is_active = enc2_fec_is_active,
.get_dig_frontend = dcn10_get_dig_frontend,
.is_in_alt_mode = dcn20_link_encoder_is_in_alt_mode,
.get_max_link_cap = dcn20_link_encoder_get_max_link_cap,
};
void dcn21_link_encoder_construct(
struct dcn21_link_encoder *enc21,
const struct encoder_init_data *init_data,
const struct encoder_feature_support *enc_features,
const struct dcn10_link_enc_registers *link_regs,
const struct dcn10_link_enc_aux_registers *aux_regs,
const struct dcn10_link_enc_hpd_registers *hpd_regs,
const struct dcn10_link_enc_shift *link_shift,
const struct dcn10_link_enc_mask *link_mask)
{
struct bp_encoder_cap_info bp_cap_info = {0};
const struct dc_vbios_funcs *bp_funcs = init_data->ctx->dc_bios->funcs;
enum bp_result result = BP_RESULT_OK;
struct dcn10_link_encoder *enc10 = &enc21->enc10;
enc10->base.funcs = &dcn21_link_enc_funcs;
enc10->base.ctx = init_data->ctx;
enc10->base.id = init_data->encoder;
enc10->base.hpd_source = init_data->hpd_source;
enc10->base.connector = init_data->connector;
enc10->base.preferred_engine = ENGINE_ID_UNKNOWN;
enc10->base.features = *enc_features;
enc10->base.transmitter = init_data->transmitter;
/* set the flag to indicate whether driver poll the I2C data pin
* while doing the DP sink detect
*/
/* if (dal_adapter_service_is_feature_supported(as,
FEATURE_DP_SINK_DETECT_POLL_DATA_PIN))
enc10->base.features.flags.bits.
DP_SINK_DETECT_POLL_DATA_PIN = true;*/
enc10->base.output_signals =
SIGNAL_TYPE_DVI_SINGLE_LINK |
SIGNAL_TYPE_DVI_DUAL_LINK |
SIGNAL_TYPE_LVDS |
SIGNAL_TYPE_DISPLAY_PORT |
SIGNAL_TYPE_DISPLAY_PORT_MST |
SIGNAL_TYPE_EDP |
SIGNAL_TYPE_HDMI_TYPE_A;
/* For DCE 8.0 and 8.1, by design, UNIPHY is hardwired to DIG_BE.
* SW always assign DIG_FE 1:1 mapped to DIG_FE for non-MST UNIPHY.
* SW assign DIG_FE to non-MST UNIPHY first and MST last. So prefer
* DIG is per UNIPHY and used by SST DP, eDP, HDMI, DVI and LVDS.
* Prefer DIG assignment is decided by board design.
* For DCE 8.0, there are only max 6 UNIPHYs, we assume board design
* and VBIOS will filter out 7 UNIPHY for DCE 8.0.
* By this, adding DIGG should not hurt DCE 8.0.
* This will let DCE 8.1 share DCE 8.0 as much as possible
*/
enc10->link_regs = link_regs;
enc10->aux_regs = aux_regs;
enc10->hpd_regs = hpd_regs;
enc10->link_shift = link_shift;
enc10->link_mask = link_mask;
switch (enc10->base.transmitter) {
case TRANSMITTER_UNIPHY_A:
enc10->base.preferred_engine = ENGINE_ID_DIGA;
break;
case TRANSMITTER_UNIPHY_B:
enc10->base.preferred_engine = ENGINE_ID_DIGB;
break;
case TRANSMITTER_UNIPHY_C:
enc10->base.preferred_engine = ENGINE_ID_DIGC;
break;
case TRANSMITTER_UNIPHY_D:
enc10->base.preferred_engine = ENGINE_ID_DIGD;
break;
case TRANSMITTER_UNIPHY_E:
enc10->base.preferred_engine = ENGINE_ID_DIGE;
break;
case TRANSMITTER_UNIPHY_F:
enc10->base.preferred_engine = ENGINE_ID_DIGF;
break;
case TRANSMITTER_UNIPHY_G:
enc10->base.preferred_engine = ENGINE_ID_DIGG;
break;
default:
ASSERT_CRITICAL(false);
enc10->base.preferred_engine = ENGINE_ID_UNKNOWN;
}
/* default to one to mirror Windows behavior */
enc10->base.features.flags.bits.HDMI_6GB_EN = 1;
result = bp_funcs->get_encoder_cap_info(enc10->base.ctx->dc_bios,
enc10->base.id, &bp_cap_info);
/* Override features with DCE-specific values */
if (result == BP_RESULT_OK) {
enc10->base.features.flags.bits.IS_HBR2_CAPABLE =
bp_cap_info.DP_HBR2_EN;
enc10->base.features.flags.bits.IS_HBR3_CAPABLE =
bp_cap_info.DP_HBR3_EN;
enc10->base.features.flags.bits.HDMI_6GB_EN = bp_cap_info.HDMI_6GB_EN;
enc10->base.features.flags.bits.DP_IS_USB_C =
bp_cap_info.DP_IS_USB_C;
} else {
DC_LOG_WARNING("%s: Failed to get encoder_cap_info from VBIOS with error code %d!\n",
__func__,
result);
}
if (enc10->base.ctx->dc->debug.hdmi20_disable) {
enc10->base.features.flags.bits.HDMI_6GB_EN = 0;
}
}
